A selection of the best papers from our December 2022, picked apart and distilled for you by Rick Body and Sarah Edwards. In this festive issue we cover anaesthesia for paediatric forearm fractures, ultrasound diagnosis of acute appendicitis, a deep dive into the predictive value of vital signs, clinical judgement versus early warning scores, pulmonary embolism and... Do you know what calibration drift is? If not, listen and you'll find out!

Read the highlights: https://emj.bmj.com/content/39/12/881.

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